<ol xml:space="preserve">
<li>Choose the desired 
  
<a href="../../doc/Line_en.html#type">line type</a> in the options
toolbar.</li>
  
<li>Click the first arc or circle entity to which you want to create the
tangent.</li>
  
<li>Click the second arc or circle entity to which you want to create the
tangent. Usually, four tangents are possible. When moving the mouse around, you
can see a preview of the tangent that will be created.</li>
</ol>
